Japanese Income Tax Calculator
Calculate Japanese income tax (所得税) for residents based on annual income, dependents, and social insurance.
Note: Input field labels are in Japanese (the calculator engine is shared with the Japanese version). Numeric input works the same way; the results are universal numbers in JPY (¥).
Japanese Income Tax Calculator
Calculate Japanese income tax (所得税) for residents based on annual income, dependents, and social insurance.
Key Points
- ✓2026 progressive brackets: 5% / 10% / 20% / 23% / 33% / 40% / 45%
- ✓Reconstruction surtax: ×1.021 on the calculated tax
- ✓Auto-estimates social insurance at ~14.75% if left blank
FAQ
Who pays Japanese income tax?
Residents in Japan (including foreign workers with a Zairyū card) pay tax on their worldwide income. Non-residents pay only on Japan-sourced income.
What is the reconstruction surtax?
A 2.1% additional tax on income tax, in effect through 2037 to fund Tohoku reconstruction.
Are deductions different for foreigners?
No. Residents get the same standard deductions: ¥480,000 basic + ¥380,000 per dependent + actual social insurance.
⚠️ Disclaimer
This calculator provides estimates only. For actual tax filing, please consult a licensed 税理士 (zeirishi) or FP (Financial Planner). Results are not a substitute for professional advice.
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